3121020010132 has 6 divisors (see below), whose sum is σ = 5461785017738. Its totient is φ = 1560510005064.

The previous prime is 3121020010099. The next prime is 3121020010151. The reversal of 3121020010132 is 2310100201213.

It can be written as a sum of positive squares in only one way, i.e., 2573085479056 + 547934531076 = 1604084^2 + 740226^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 390127501263 + ... + 390127501270.

Almost surely, 2^{3121020010132} is an apocalyptic number.

It is an amenable number.

3121020010132 is a deficient number, since it is larger than the sum of its proper divisors (2340765007606).

3121020010132 is a wasteful number, since it uses less digits than its factorization.

3121020010132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780255002537 (or 780255002535 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 3121020010132 its reverse (2310100201213), we get a palindrome (5431120211345).

The spelling of 3121020010132 in words is "three trillion, one hundred twenty-one billion, twenty million, ten thousand, one hundred thirty-two".